BSD-licensed Python package for manipulation and analysis of planar geometric objects. It is not concerned with data formats or coordinate systems. It is based on the widely deployed GEOS (the engine of PostGIS) and JTS (from which GEOS is ported) libraries. This C dependency is traded for the ability to execute with blazing speed. In a nutshell: Shapely lets you do PostGIS-ish stuff outside the context of a database using idiomatic Python

MiGLayout can produce flowing, grid based, absolute (with links), grouped and docking layouts. MiGLayout is created to be to manually coded layouts what Matisse/GroupLayout is to IDE supported visual layouts.

The Grinder is a JavaTM load testing framework that makes it easy to run a distributed test using many load injector machines

The YUI Library is a set of utilities and controls, written with JavaScript and CSS, for building richly interactive web applications using techniques such as DOM scripting, DHTML and AJAX